---
title: "List Signals"
method: GET
path: "/v1/signals"
tags: ["Signals"]
---

# List Signals

`GET /v1/signals`

## Request

- Base URL: `https://api.lmnr.ai`
- URL: `https://api.lmnr.ai/v1/signals`
- Auth: HTTP bearer

Lists Signals in the project, optionally filtering by a name substring.

## Query parameters

- `name` string

## Response `200`

Project Signals.

- SignalList
  - `signals` Signal[], required
    - `name` string, required
    - `prompt` string, required
    - `structuredOutput` object, required: JSON Schema for the Signal's structured result.
    - `sampleRate` integer, nullable, required: Percentage of matching traces to sample; null clears sampling on update.
    - `disabled` boolean, required
    - `trigger` union, required
      - object
        - `type` 'rootSpanFinished', required
      - object
        - `type` 'spanName', required
        - `spanNames` string[], required
    - `filters` SignalFilter[], required
      - `column` 'total_token_count' | 'status' | 'span_names' | 'tags', required
      - `operator` 'eq' | 'ne' | 'gt' | 'gte' | 'lt' | 'lte' | 'includes' | 'not_includes', required
      - `value` unknown, required
    - `mode` 'batch' | 'realtime', required
    - `llmProfileId` string, uuid, required
    - `model` string, nullable, required: Self-hosted only. Model selected from `llmProfileId`. Provide both fields together.
    - `id` string, uuid, required
    - `projectId` string, uuid, required
    - `createdAt` string, date-time, required
    - `version` integer, required: Server-managed version of the Signal configuration.
    - `llmProfileName` string, nullable, required: Display name of the selected workspace LLM profile.

## Other responses

- `401`: Missing or invalid API key.

---

[API](https://skmtc.dev/laminar-sh/apis/laminar-api.md) - [All operations](https://skmtc.dev/laminar-sh/apis/laminar-api/llms.txt) - [OpenAPI document](https://skmtc.dev/laminar-sh/apis/laminar-api/revisions/8a7a08163846?raw)